God is a Spirit: and they that worship him must worship him in
spirit and in truth.
- Bible, John (ch. IV, v. 24)

Take ye heed, watch and pray: for ye know not when the time is.
- Bible, Mark (ch. XIII, v. 33)

But thou, when thou prayest, enter into thy closet, and when thou
hast shut thy door, pray to thy Father which is in secret; and
thy Father which seeth in secret shall reward thee openly.
- Bible, Matthew (ch. VI, v. 6)

But when ye pray, use not vain repetitions, as the heathen do:
for they think that they shall be heard for their much speaking.
- Bible, Matthew (ch. VI, v. 7)

Ask, and it shall be given you; seek, and ye shall find; knock,
and it shall be opened unto you:
For every one that asketh receiveth; and he that seeketh findeth;
and to him that knocketh it shall be opened.
- Bible, Matthew (ch. VII, v. 7-8)

Be careful for nothing; but in everything by prayer and
supplication with thanksgiving let your requests be made known
unto God.
- Bible, Philippians (ch. IV, v. 6)

PRAY, v. To ask that the laws of the universe be annulled in
behalf of a single petitioner confessedly unworthy.
- Ambrose Bierce, The Devil's DIctionary

Every praying Christian will find that there is no Gethsemane
without its angel.
- Thomas Binney

A prayer, in its simplest definition, is merely a wish turned
heavenward.
- Phillips Brooks

In prayer it is better to have a heart without words than words
without a heart.
- John Bunyan

Prayer is a shield to the soul, a sacrifice to God, and a scourge
for Satan.
- John Bunyan

Prayer will make a man cease from sin, or sin will entice a man
to cease from prayer.
- John Bunyan

You can do more than pray, after you have prayed, but you cannot
do more than pray until you have prayed.
- John Bunyan

They never sought in vain that sought the Lord aright!
- Robert Burns, The Cotter's Saturday Night
(st. 6)

Father of Light! great God of Heaven!
Hear'st thou the accents of despair?
Can guilt like man's be e'er forgiven?
Can vice atone for crimes by prayer?
- Lord Byron (George Gordon Noel Byron), Prayer of Nature